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WO2023120748A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2023120748A1
WO2023120748A1 PCT/KR2021/019409 KR2021019409W WO2023120748A1 WO 2023120748 A1 WO2023120748 A1 WO 2023120748A1 KR 2021019409 W KR2021019409 W KR 2021019409W WO 2023120748 A1 WO2023120748 A1 WO 2023120748A1
Authority
WO
WIPO (PCT)
Prior art keywords
slit
skin
flat plate
barrier
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2021/019409
Other languages
English (en)
Korean (ko)
Inventor
이재기
신광교
한동균
이영민
김문환
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to KR1020237037569A priority Critical patent/KR102856637B1/ko
Priority to US18/290,093 priority patent/US20240260217A1/en
Priority to PCT/KR2021/019409 priority patent/WO2023120748A1/fr
Priority to EP21969113.6A priority patent/EP4456682A4/fr
Publication of WO2023120748A1 publication Critical patent/WO2023120748A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G09F9/335—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure

Definitions

  • the present disclosure relates to a display device.
  • Display As the information society develops, the demand for display devices is also increasing in various forms. Display), OLED (Organic Light Emitting Diode), and other display devices have been studied and used.
  • OLED Organic Light Emitting Diode
  • a display device using an organic light emitting diode has the advantage of being superior in luminance and viewing angle compared to a liquid crystal display device and being ultra-thin because it does not require a backlight unit.
  • the present disclosure aims to solve the foregoing and other problems.
  • Another object may be to secure structural rigidity of a large-screen ultra-thin display device.
  • Another object may be to improve the structural reliability of a large-screen ultra-thin display device.
  • a display device for achieving the above object includes: a display panel; And, it includes a composite material plate positioned at the rear of the display panel, wherein the composite material plate includes: a front skin forming a front surface; a rear skin forming a rear surface and facing the front skin; a core positioned between the front skin and the rear skin and including fibers; an accommodating portion formed by compressing the front skin and the core; And, it may include a barrier positioned adjacent to the accommodating portion and formed by cutting the front skin.
  • structural rigidity of a large-screen ultra-thin display device may be secured.
  • 1 to 29 are diagrams illustrating examples of display devices according to embodiments of the present disclosure.
  • the display device 100 may include a display panel 110 .
  • the display panel 110 may display a screen.
  • first and second long sides LS1 and LS2 are illustrated and described as being longer than the lengths of the first and second short sides SS1 and SS2, but the first and second long sides LS1 , LS2 may be substantially equal to the lengths of the first and second short sides SS1 and SS2.
  • a direction parallel to the long side (LS1, LS2) of the display device 100 may be referred to as a first direction DR1 or a left-right direction LR.
  • a direction parallel to the short side (SS1, SS2) of the display device 100 may be referred to as a second direction DR2 or a vertical direction UD.
  • a direction perpendicular to the long sides LS1 and LS2 and the short sides SS1 and SS2 of the display device 100 may be referred to as a third direction DR3 or a front-back direction FR.
  • a direction in which the display panel 110 displays a screen may be referred to as a front, and a direction opposite to this may be referred to as a rear.
  • OLED organic light emitting diode
  • the display panel 110 forms the front of the display device 100 and can display images forward.
  • the display panel 110 may divide an image into a plurality of pixels and output the image by adjusting color, brightness, and saturation for each pixel.
  • the display panel 110 may be divided into an active area where images are displayed and a de-active area where images are not displayed.
  • the display panel 110 may generate light corresponding to red, green, or blue colors according to a control signal.
  • a composite material panel 130 may include a core 131, a front skin 132, and a rear skin 133.
  • the core 131, the front skin 132, and the rear skin 133 may be coupled to each other.
  • the composite material panel 130 may be referred to as a fiber complexed panel 130, a fiber complexed plate 130, a composite material plate 130, or a middle frame 130.
  • the front skin 132 may form the front surface of the composite panel 130 .
  • the rear skin 133 may form a rear surface of the composite material panel 130 .
  • the front skin 132 and the rear skin 133 may include a metal material.
  • the front skin 132 and the rear skin 133 may include an aluminum (Al) material.
  • Al aluminum
  • the thickness of the front skin 132 and the rear skin 133 may be about 0.5 mm.
  • the front skin 132 and the rear skin 133 may face each other with respect to a core 131 to be described later.
  • the core 131 may be positioned between the front skin 132 and the rear skin 133 .
  • the core 131 may include fibers.
  • the core 131 may be formed of a composite material.
  • the core 131 may include a main fiber and a binder fiber. Binder fibers may be mixed between the main fibers.
  • a hot melt sheet may be positioned between the front skin 132 and the core 131 , and a hot melt sheet may be positioned between the rear skin 133 and the core 131 .
  • the hot melt sheet may be a film.
  • the hot melt sheet may be a film of EVA, acrylic, polyurethane, or the like having a thickness of 50 micrometers or more.
  • bending rigidity and/or torsional rigidity of the display device may be improved.
  • the composite material panel 130 may be manufactured through a process of pressing the front skin 132 and the rear skin 133 to the core 131 using a plurality of rollers, and this process may be referred to as a R2R (Roll-to-Roll) process.
  • R2R Roll-to-Roll
  • the front skin 132 is released from the front drum (Da) and the rear skin 133 is released from the rear drum (Db) according to the rotation of the pinch roller (Ra) performing the function of the driving motor.
  • the core 131 may be moved through the feeding roller Rd.
  • the first adhesive 134a for coupling the front skin 132 to the core 131 may be released from the first drum Dc.
  • the second adhesive 134b for bonding the rear skin 133 to the core 131 may be released from the second drum Db.
  • the front skin 132, the first adhesive 134a, the core 131, the second adhesive 134b, and the rear skin 133 are laminated in the above order, and the oven (Ov) by the guide roller Rc. ) can be guided in the direction toward
  • the adhesives 134a and 134b may be hot melt sheets 134a and 134b.
  • the first and second adhesives 134a and 134b are melted in the oven Ov, and the front skin 132 and the rear skin 133 may be coupled to the core 131 , respectively.
  • the melting points of the first and second adhesives 134a and 134b may be about 150 °C, and the ambient temperature of the oven Ov may be about 200 °C.
  • the peel-off force of the first and second adhesives 134a and 134b may be about 10 kgf or more.
  • the front skin 132, core 131, and rear skin 133 passing through the oven Ov are guided to the compression roller Rb according to the rotation of the pinch roller Ra, and are compressed by the compression roller Rb. It can be. Accordingly, the bonding force between the front skin 132, the core 131, and the rear skin 133 may be further increased.
  • the mutually coupled front skin 132, core 131, and rear skin 133 pass through the pinch roller Ra, and then are cut by the cutter Ct to be manufactured into a composite material panel 130 having a predetermined size. there is.
  • the compression roller Rb or the pinch roller Ra may contact outer surfaces of the front skin 132 and the rear skin 133 , respectively.
  • the composite material panel 130 may be moved in the longitudinal direction of the core 131 (ie, in the left and right direction LR).
  • the front skin 132 and the rear skin 133 may be sequentially coupled from one end to the other end of the core 131 in the longitudinal direction of the core 131 .
  • the front skin 132 and the rear skin 133 of the composite material panel 130 may be formed flat. That is, since the rear surface of the rear skin 133 forming the rear surface of the display device 100 is formed flat, additional work such as painting or attaching sheets to the rear surface of the rear skin 133 for aesthetics is performed. could be made easier.
  • the front skin 132, the core 131, and the rear skin 133 it is also possible to combine the core 131, the front skin 132, and the rear skin 133 through a process of sequentially stacking and then combining them.
  • the composite material panel 130 may include a flat plate part 130P, a receiving part 137 and an outer part 135 .
  • the outer part 135 may be formed around the flat plate part 130P.
  • the first outer part 135a may be formed along the upper side of the flat plate part 130P
  • the second outer part 135b may be formed along the left side of the flat plate part 130P
  • the third outer part 135c may be formed along the lower side of the flat plate part 130P
  • the fourth outer part 135d may be formed along the right side of the flat plate part.
  • the outer part 135 may be formed by pressing the flat plate part 130P.
  • the outer part 135 may form a step while being lowered from the flat plate part 130P.
  • the thickness of the flat plate part 130P may be greater than the thickness of the outer part 135 .
  • the cable hole 136 may be formed through the front skin 132 (see FIG. 2 ) and the rear skin 133 (see FIG. 2 ) of the accommodating portion 137 .
  • the cable hole 136 may be formed in the accommodating part 137 adjacent to the lower side of the flat plate part 130P.
  • the number of cable holes 136 may be plural.
  • the first cable hole 136a may be positioned adjacent to the second cable hole 136b.
  • the accommodating part 137 may be formed adjacent to the lower side of the flat plate part 130P and between the flat plate part 130P and the third outer part 135c.
  • the accommodating part 137 may be plural.
  • the first accommodating portion 137a may be located between the first cable hole 136a and the second short side SS2.
  • the second accommodating part 137b may be located between the second cable hole 136b and the first short side SS1.
  • the accommodating portion 137 may be formed by pressing the flat plate portion 130P.
  • the accommodating portion 137 may form a step while being lowered from the flat plate portion 130P and/or the outer part 135c.
  • the accommodating portion 137 may be formed by pressing the flat plate portion 130P.
  • the front skin 132 of the accommodating portion 137 may form a step D1 lowered from the front skin 132 of the flat plate portion 130P.
  • the rear skin 133 of the accommodating portion 137 may form a step D2 rising from the rear skin 133 of the flat plate portion 130P.
  • the height of the step D1 lowered from the front skin 132 of the flat plate part 130P to the front skin 132 of the accommodating part 137 is from the rear skin 133 of the flat plate part 130P to the accommodating part 137 ) of the rear skin 133 may be greater than the height of the step D2.
  • a thickness T1 of the flat plate portion 130P may be greater than a thickness T2 of the accommodating portion 137 .
  • the core 131 of the composite material panel 130 may absorb an external force while being pressed in the direction of the rear skin 133 from the front skin 132 of the flat plate portion 130P.
  • the magnitude of the external force applied to the front skin 132 of the flat plate part 130P may be greater than the magnitude of the external force applied to the rear skin 133 of the flat plate part 130P.
  • the core 131 of the composite material panel 130 may absorb shock as well as secure rigidity.
  • a thickness T4 of the third outer part 135c may be greater than a thickness T2 of the accommodating portion 137 .
  • a step D2 rising from the rear skin 133 of the third outer part 135c to the rear skin 133 of the accommodating portion 137 may be formed.
  • the height of the step D2 between the rear skin 133 of the third outer part 135c and the rear skin 133 of the accommodating portion 137 is the height of the rear skin 133 of the accommodating portion 137 and the flat plate portion 130P.
  • the height of the step D2 of the rear skin 133 may be the same.
  • the protrusion pad 138 may protrude from the front skin 132 of the third outer part 135c.
  • the front skin 132 of the protruding pad 138 may form a step D4 lowered to the front skin 132 of the third outer part 135c.
  • the height of the step D4 formed by the third outer part 135c and the protruding pad 138 may be smaller than the heights of the steps D1 and D2 formed by the flat plate part 130P and the accommodating part 137 .
  • the thickness T3 of the protruding pad 138 may be greater than the thickness T4 of the third outer part 135c, may be smaller than the thickness T1 of the flat plate part 130P, and the thickness of the accommodating part 137 (T2) may be smaller.
  • the fastening groove H may protrude from the rear skin 133 of the accommodating part 137 .
  • the fastening groove H may be recessed in the front skin 132 of the accommodating portion 137 and may protrude from the rear skin 133 of the accommodating portion 137 .
  • the center of the fastening groove (H) may be penetrated.
  • the fastening groove (H) may be formed in the flat plate portion (130P).
  • the fastening groove (H) may be formed while the flat plate portion (130P) is pressed.
  • the front skin 132 of the fastening groove H may be formed by being depressed from the front skin 132 of the flat plate part 130P.
  • the rear skin 133 of the plate part 130P and the rear skin 133 of the fastening groove H may form the same plane.
  • the thickness T0 of the fastening groove H may be smaller than the thickness T1 of the flat plate portion 130P.
  • Fastener (h) may be formed in the center of the fastening groove (H).
  • the fastening hole (h) may be formed by punching the fastening groove (H).
  • the fastening hole (h) may be formed through the front skin 132 and the rear skin 133 of the fastening groove (H).
  • the length of the shaft SA of the fastening member S may be greater than the thickness T0 of the fastening groove H.
  • the shaft SA of the fastening member S may be inserted into the fastening groove H and protrude out of the rear skin 132 of the fastening groove H through the fastening hole h.
  • the depth D5 of the fastening groove H may be greater than the thickness of the head SH.
  • the head (SH) of the fastening member (S) may be concealed in the fastening groove (H).
  • the PCB plate 150 may be coupled to the rear of the composite material panel 130 .
  • the PCB plate 150 may be fixed to the rear of the composite material panel 130 by the fastening member S.
  • the PCB plate 150 may be formed by pressing the plate 151 including metal.
  • the PCB plate 150 may include a horizontal portion 152 , a vertical portion 153 , a dome portion 154 , and a recessed portion 155 .
  • the horizontal portion 152 protrudes from the front to the rear of the PCB plate 151 and may be formed in the left and right directions of the PCB plate 151 .
  • the vertical portion 153 protrudes from the front to the rear of the PCB plate 151 and may be formed in a vertical direction of the PCB plate 150 .
  • the dome portion 154 may protrude from the front of the PCB plate 150 to the rear.
  • the recessed portion 155 may be recessed from the rear to the front of the vertical portion 153 and/or the horizontal portion 152 .
  • the shaft SA of the fastening member S may couple the composite material panel 130 and the PCB plate 150 through the recessed portion 155 formed in the vertical portion 153 and/or the horizontal portion 152. there is.
  • the depth of the depression 155 may be greater than the protruding length of the shaft SA of the fastening member S protruding backward through the composite material panel 130 .
  • the side frame 140 may be adjacent to the flat plate part 130P and coupled to the outer part 135 (see FIG. 5 ).
  • the side frame 140 may include a first part 141 , a second part 142 , a third part 143 , a fourth part 144 , and a fifth part 145 .
  • the second part 142 may be bent at the first corner C1 from the first part 141 .
  • the first part 141 may include a horizontal portion 141H and a vertical portion 141V.
  • the horizontal portion 141H of the first part 141 may be fixed on the first outer part 135a (see FIG. 5 ).
  • the second part 142 may include a horizontal portion 142H and a vertical portion 142V.
  • the horizontal portion 142H of the second part 142 may be fixed on the fourth outer part 135d (see FIG. 5 ).
  • a gap G1 may be formed between the horizontal portion 141H of the first part 141 and the horizontal portion 142H of the second part 142 .
  • the vertical portion 141V of the first part 141 and the vertical portion 142V of the second part 142 may be connected while being bent.
  • a hole H1 connected to the gap G1 may be formed between the horizontal portions 141H and 142H adjacent to the vertical portions 141V and 142V.
  • the size or diameter of the hole H1 may be larger than the width of the gap G1.
  • the description of the first corner C1 of the side frame 140 may be equally applied to the second corner C2 of the side frame 140 .
  • the side frame 140 may be adjacent to the flat plate part 130P and coupled to the outer part 135 (see FIG. 5 ).
  • the side frame 140 may include a first part 141 , a second part 142 , a third part 143 , a fourth part 144 , and a fifth part 145 .
  • the second part 142 may be bent at the third corner C3 from the third part 143 .
  • the third part 143 may include a horizontal portion 143H and a vertical portion 143V.
  • the horizontal portion 143H of the third part 143 may be fixed on the third outer part 135c (see FIG. 5 ).
  • the second part 142 may include a horizontal portion 142H and a vertical portion 142V.
  • the horizontal portion 142H of the second part 142 may be fixed on the fourth outer part 135d (see FIG. 5 ).
  • a gap G3 may be formed between the horizontal portion 143H of the third part 143 and the horizontal portion 142H of the second part 142 .
  • the vertical portion 143V of the third part 143 and the vertical portion 142V of the second part 142 may be connected while being bent.
  • a hole H3 may be formed adjacent to the vertical portions 143V and 142V and connected to the gap G3 between the horizontal portions 143H and 142H. The size or diameter of the hole H3 may be greater than the width of the gap G3.
  • Description of the first corner C3 of the side frame 140 may be equally applied to the fourth corner C4 of the side frame 140 .
  • the third part 143 and the fourth part 144 of the side frame 140 may be positioned or fixed on the third outer part 135c. An end of the third part 143 of the side frame 140 may be coupled to an end of the fourth part 144 of the side frame 140 .
  • the horizontal portion 144H of the fourth part 144 may contact the horizontal portion 143H and the vertical portion 143V of the third part 143 .
  • the vertical portion 144V of the fourth part 144 may contact the vertical portion 143V of the third part 143 .
  • the vertical portion 143V of the third part 143 may contact the horizontal portion 144H and the vertical portion 144V of the fourth part 144 .
  • An end of the third part 143 may be fixed to an end of the fourth part 144 .
  • the end of the third part 143 and the end of the fourth part 144 may be fixed by welding.
  • the heat dissipation plate HA may be extended and fixed to the flat plate part 130P.
  • the number of heat sinks HA may be plural.
  • the heat sink HA may be a plate made of aluminum.
  • the heat sink HA may be a tape containing aluminum.
  • the number of heat sinks HA may be plural.
  • the first heat dissipation plate HA1 extends long in the left and right directions of the flat plate part 130P and may be positioned adjacent to the first part 141 of the side frame 140 .
  • the second heat dissipation plate HA2 extends long in the left and right directions of the flat plate part 130P and is adjacent to the first part 141 of the side frame 140, but may be adjacent to the first heat dissipation plate HA1.
  • the first heat dissipation plate HA1 and the second heat dissipation plate HA2 may be sequentially disposed along the longitudinal direction of the first part 141 of the side frame 140 .
  • the third heat dissipation plate HA3 extends in the left and right directions and may be positioned adjacent to the first heat dissipation plate HA1 at a lower side of the first heat dissipation plate HA1.
  • the fourth heat dissipation plate HA4 extends in the left and right directions and may be positioned adjacent to the second heat dissipation plate HA2 at a lower side of the second heat dissipation plate HA2.
  • the fifth heat dissipation plate HA5 extends in the left and right directions and may be positioned adjacent to the third heat dissipation plate HA3 at a lower side of the third heat dissipation plate HA3 .
  • the sixth heat dissipation plate HA6 extends in the left and right directions and may be positioned adjacent to the fourth heat dissipation plate HA4 at a lower side of the fourth heat dissipation plate HA4 .
  • the seventh heat dissipation plate HA7 extends in the left and right directions and may be positioned adjacent to the fifth heat dissipation plate HA5 at a lower side of the fifth heat dissipation plate HA5 .
  • the eighth heat dissipation plate HA8 extends in the left and right directions, and may be positioned adjacent to the sixth heat dissipation plate HA6 at a lower side of the sixth heat dissipation plate HA6 .
  • the ninth heat dissipation plate HA9 extends in the left and right directions, and may be positioned adjacent to the seventh heat dissipation plate HA7 at a lower side of the seventh heat dissipation plate HA7 .
  • the tenth heat dissipation plate HA10 extends in the left and right directions, and may be positioned adjacent to the eighth heat dissipation plate HA8 at a lower side of the eighth heat dissipation plate HA8.
  • the eleventh heat dissipation plate HA11 extends in the left and right directions, and may be positioned adjacent to the ninth heat dissipation plate HA9 at a lower side of the ninth heat dissipation plate HA9 .
  • the twelfth heat dissipation plate HA12 extends in the left and right directions, and may be positioned adjacent to the tenth heat dissipation plate HA10 at a lower side of the tenth heat dissipation plate HA10.
  • the side adhesive members ADH and ADV may be fixed on the side frame 140 .
  • the number of side adhesive members ADH and ADV may be plural.
  • Each of the plurality of side adhesive members ADH and ADV includes the first part 141, the second part 142, the third part 143, the fourth part 144, and the fifth part of the side frame 140. (145) can be fixed to each.
  • the panel adhesive member AD may be fixed on the flat plate part 130P. There may be a plurality of panel adhesive members AD.
  • the first panel adhesive member AD1 may be adjacent to the first part 141 of the side frame 140 and extended in the left and right directions to be fixed on the flat plate part 130P.
  • the seventh panel adhesive member AD7 is adjacent to the first part 141 of the side frame 140 and extends in the left and right directions to be fixed on the flat plate part 130P.
  • the seventh panel adhesive member AD7 and the first panel adhesive member AD1 may be disposed on one line.
  • the second panel adhesive member AD2 is adjacent to the upper side of the second heat dissipation plate HA2 and extends in the left and right directions to be fixed on the flat plate part 130P.
  • the third panel adhesive member AD3 extends in the left and right directions and is fixed on the flat plate part 130P between the fourth heat sink HA4 and the sixth heat sink HA6.
  • the fourth panel adhesive member AD4 extends in the left and right directions and is fixed on the flat plate part 130P between the eighth heat sink HA8 and the tenth heat sink HA10.
  • the fifth panel adhesive member AD5 extends in the left and right directions and is fixed on the flat plate part 130P between the tenth heat sink HA10 and the twelfth heat sink HA12.
  • the sixth panel adhesive member AD6 is adjacent to the lower side of the twelfth heat dissipation plate HA12 and extends in the left and right directions to be fixed on the flat plate part 130P.
  • the eighth panel adhesive member AD8 is adjacent to the upper side of the first heat dissipation plate HA1 and extends in the left and right directions and is fixed on the flat plate part 130P.
  • the ninth panel adhesive member AD9 extends in the left and right directions and is fixed on the flat plate part 130P between the third heat sink HA3 and the fifth heat sink HA5.
  • the tenth panel adhesive member AD10 extends in the left and right directions and is fixed on the flat plate part 130P between the seventh heat sink HA7 and the ninth heat sink HA9.
  • the eleventh panel adhesive member AD11 extends in the left and right directions and is fixed on the flat plate part 130P between the ninth heat sink HA9 and the eleventh heat sink HA11.
  • the twelfth panel adhesive member AD12 is adjacent to the lower side of the eleventh heat dissipation plate HA11 and extends in the left and right directions to be fixed on the flat plate part 130P.
  • the display panel 110 may be coupled or fixed on the front skin 132 of the composite material panel 130 by an adhesive member AD.
  • the heat sink HA may be positioned in an air-gap formed between the composite material panel 130 and the display panel 110 .
  • the rear surface of the heat sink HA is fixed to the front skin 132 , and the front surface of the heat sink HA may be spaced apart from the rear surface of the display panel 110 .
  • the adhesive member AD may have a thickness of 0.2 to 0.4 mm.
  • the heat sink HA may have a thickness of 0.15 to 0.25 mm.
  • the distance formed between the display panel 110 and the heat dissipation plate HA may be 0.04 to 0.1 mm.
  • the vertical portion 143V may cover the side surface of the composite material panel 130 .
  • the vertical portion 143V of the third part 143 of the side frame 140 may cover the side surface of the third outer part 135c of the composite material panel 130 .
  • the flexible cable 113 may extend between the display panel 110 and the horizontal portion 143H of the side frame 140 from the lower side of the display panel 110 .
  • the flexible cable 113 may extend between the rear surface of the display panel 110 and the composite material panel 130 .
  • the flexible cable 113 may be a COF 113.
  • the source signal board 115 may be electrically connected to the flexible cable 113.
  • the source signal board 115 may be fixed to one surface of the flexible cable 113 .
  • the source signal substrate 115 may be an S-PCB 115.
  • the source signal substrate 115 may be located in the accommodating portion 137 of the composite material panel 130 .
  • the flexible cable 113 may be positioned between the protruding pad 138 of the composite material panel 130 and the display panel 110 .
  • the flexible cable 113 may contact the protruding pad 138 .
  • Heat generated from the source signal board 115 and/or the flexible cable 113 may be dissipated through the protruding pad 138 .
  • a heat dissipation pad 114 may be positioned between the flexible cable 113 contacting the protruding pad 138 and the rear surface of the display panel 110 .
  • the heat dissipation pad 114 may include an elastic material 114a and a conductive film 114b.
  • the core 114a of the heat dissipation pad 114 may be formed of an elastic material, and the conductive film 114b may cover the core 114a of the heat dissipation pad 114 . Accordingly, the flexible cable 113 can maintain contact with the protruding pad 138 .
  • a barrier groove (B) may be formed around the fastening groove (H).
  • the barrier groove B may be referred to as a barrier B or a barrier groove B or a trench B.
  • the fastening groove (H) may be circular, and a fastener (h) formed through the composite material panel may be formed in the center.
  • the fastener h may be formed through the front skin 132 , the core 131 , and the rear skin 133 .
  • the barrier groove (B) may be formed to surround the fastening groove (H) and be spaced apart from the outer circumference of the fastening groove (H).
  • the barrier groove B may have a ring shape.
  • the barrier groove B may have a semicircular ring shape.
  • the barrier groove B may be formed by pressing the flat plate part 130P.
  • the barrier groove B formed by pressing and sinking the flat plate portion 130P may have a narrow width from the flat plate portion P toward the bottom of the barrier groove B.
  • the fastening groove H and the barrier groove B may be disposed along the first long side LS1 , the first short side SS1 , and/or the second short side SS2 of the composite material panel 130 .
  • the barrier groove B may be located between the first long side LS1 and the fastening groove H.
  • the barrier groove B may be located between the first short side SS1 and the fastening groove H.
  • a barrier slit (B) may be formed adjacent to the fastening groove (H).
  • the barrier slit (B) may be referred to as a barrier (B) or a cut-out portion (B) or a barrier cut (B).
  • the fastening groove (H) may be a combination of a circular shape and a rectangular shape.
  • Fastener (h) may be formed in the circular shape of the fastening groove (H).
  • the rectangular fastening groove LH may connect the circular fastening groove CH and the barrier slit B.
  • the rectangular fastening groove LH may connect the semicircular fastening groove CH and the barrier slit B.
  • the fastener (h) may be formed between the semicircular fastening groove (CH) and the rectangular fastening groove (LH).
  • the barrier slit B may be formed by punching the flat plate part 130P.
  • the barrier slit B may be formed while passing through the front skin 132, the core 131, and the rear skin 133 of the flat plate portion 130P.
  • the first distance D1 from the barrier slit B to the outer circumference of the fastener h may be greater than the second distance D2 from the outer circumference of the fastener h to the circumference of the circular fastening groove CH. there is.
  • a third distance D3 from one end of the barrier slit B to the outer edge of the fastening grooves H and LH is a fourth distance from the other end of the barrier slit B to the outer edge of the fastening grooves H and LH. It may be different from (D4). Accordingly, it is possible to prevent the spread of deformation of the composite material panel 130 that may occur during the formation of the fastening groove H and the fastener h.
  • the barrier slit (B) may be in contact with the fastening groove (H).
  • the barrier slit B may be positioned between the second short side SS2 and the fastening groove H. At this time, the barrier slit (B) may be in contact with the fastening groove (H).
  • barrier grooves B may be disposed along the first long side LS1.
  • the barrier groove B may be positioned between the fastening groove H and the first long side LS1.
  • a barrier slit B may be disposed along the first short side SS1 .
  • the barrier slit (B) may be positioned between the fastening groove (H) and the first short side (SS1).
  • a barrier slit B may be disposed along the second short side SS2 .
  • the barrier slit (B) may be positioned between the fastening groove (H) and the second short side (SS2). Poor coupling of the display panel 110 to the composite material panel 130 due to the bending of the composite material panel 130 can be further improved by the combined arrangement of the barrier groove B and the barrier slit B.
  • the heat dissipation plates HA may be fixed to or coupled to the flat plate part 130P.
  • the outer part 135 (see FIG. 5 ) may be formed around the flat plate part 130P.
  • the outer part 135 may form a step lowering from the flat plate part 130P.
  • the outer part 135 may be formed by sinking the front skin 132 while the core 131 (see FIG. 2 ) is compressed.
  • the outer part 135 may be formed while the core 131 is compressed, the front skin 132 is depressed, and the rear skin 133 protrudes.
  • the third outer part 135c may be formed adjacent to the lower side of the flat plate part 130P.
  • the third outer part 135c forms a step lowering from the flat plate part 130P and may be formed at the lower end of the flat plate part 130P.
  • the accommodating parts 137a and 137b may be formed on the flat plate part 130P adjacent to or in contact with the third outer part 135c.
  • the receiving portions 137a and 137b may be formed by pressing the flat plate portion 130P.
  • the accommodating portions 137a and 137b may form steps lowering from the flat plate portion 130P.
  • the third outer part 135c may form a step lowered from the accommodating portions 137a and 137b.
  • the flat plate portion 130P may have curves described with reference to FIGS. 20 and 21 .
  • the barrier slits SL1 and SL2 may be positioned at a boundary between the flat plate part 130P and the accommodating parts 137a and 137b.
  • the barrier slits SL1 and SL2 may be referred to as barriers SL1 and SL2.
  • the barrier slits SL1 and SL2 may be referred to as cutouts SL1 and SL2.
  • the barrier slits SL1 and SL2 may be referred to as barrier cut-outs SL1 and SL2.
  • the barrier slits SL1 and SL2 may be formed at the edge of a step that is lowered from the flat plate part 130P to the accommodating parts 137a and 137b.
  • the barrier slits SL1 and SL2 may be formed by cutting out portions of the flat plate portion 130P and portions of the accommodating portions 137a and 137b.
  • the number of barrier slits SL1 and SL2 may be plural.
  • the plurality of barrier slits SL1 and SL2 may include a first slit SL1 and a second slit SL2 .
  • the first slit SL1 includes the first part P1, the second part P2, the third part P3, the fourth part P4, the fifth part P5, the sixth part P6, and the second part P6. It may include a 7th part (P7) and an 8th part (P8).
  • the first part P1 , the second part P2 , and the third part P3 may form a lower side of the first slit SL1 .
  • the fourth part P4 , the fifth part P5 , and the sixth part P6 may form the upper side of the first slit SL1 .
  • An upper side of the first slit SL1 may be parallel to a lower side of the first slit SL1 .
  • the seventh part P7 may connect one end of the upper side and one end of the lower side of the first slit SL1, and the eighth part P8 may connect the other end of the upper side and the other end of the lower side of the first slit SL1. there is.
  • the seventh part P7 may be parallel to the eighth part P8.
  • the first part P1 may be parallel to the third part P3.
  • the third part P3 may be spaced apart from the first part P1.
  • the second part P2 may connect the first part P1 and the third part P3.
  • the fourth part P4 may be parallel to the sixth part P6.
  • the sixth part P6 may be spaced apart from the fourth part P4.
  • the fifth part P5 may connect the fourth part P4 and the sixth part P6.
  • the fourth part P4 , the fifth part P5 , and the sixth part P6 may form one edge of the flat plate part 130P.
  • the first part P1 , the second part P2 , and the third part P3 may form one edge of the accommodating portions 137a and 137b.
  • the seventh part P7 and the eighth part P8 may form one edge of a step connecting the accommodating parts 137a and 137b and the flat plate part 130P.
  • the second distance D2 from the lower sides of the accommodating portions 137a and 137b to the third part P3 is greater than the first distance D1 from the lower sides of the accommodating portions 137a and 137b to the first part P1.
  • the second slit SL2 includes the first part E1, the second part E2, the third part E3, the fourth part E4, the fifth part E5, the sixth part E6, and the second part E6. It may include a 7th part (E7) and an 8th part (E8).
  • the first part E1 , the second part E2 , and the third part E3 may form a lower side of the second slit SL2 .
  • the fourth part E4 , the fifth part E5 , and the sixth part E6 may form the upper side of the second slit SL2 .
  • An upper side of the second slit SL2 may be parallel to a lower side of the second slit SL2 .
  • the seventh part E7 may connect one end of the upper side and one end of the lower side of the second slit SL2, and the eighth part E8 may connect the other end of the upper side and the other end of the lower side of the second slit SL2. there is.
  • the seventh part E7 may be parallel to the eighth part E8.
  • the first part E1 may be parallel to the third part E3.
  • the third part E3 may be spaced apart from the first part E1.
  • the second part E2 may connect the first part E1 and the third part E3.
  • the fourth part E4 may be parallel to the sixth part E6.
  • the sixth part E6 may be spaced apart from the fourth part E4.
  • the fifth part E5 may connect the fourth part E4 and the sixth part E6.
  • the fourth part E4, the fifth part E5, and the sixth part E6 may form one edge of the flat plate part 130P.
  • the first part E1 , the second part E2 , and the third part E3 may form one edge of the accommodating portions 137a and 137b.
  • the seventh part E7 and the eighth part E8 may form one edge of a step connecting the accommodating parts 137a and 137b and the flat plate part 130P.
  • the second distance D2 from the lower sides of the accommodating portions 137a and 137b to the third part E3 is greater than the first distance D1 from the lower sides of the accommodating portions 137a and 137b to the first part E1.
  • the first slit SL1 may be symmetrical to the second slit SL2.
  • the plurality of barrier slits SL1 and SL2 may include a first slit SL1 , a second slit SL2 , and a third slit SL3 .
  • the third slit SL3 may extend long and may be spaced apart from the first slit SL1 and the second slit SL2 .
  • the third slit SL3 may face lower sides of the accommodating portions 137a and 137b with respect to the first and second slits SL1 and SL2 .
  • a length L1 of the third slit SL3 may be smaller than a distance between the seventh part P7 of the first slit SL1 and the seventh part E7 of the second slit SL2 .
  • a width w1 of the third slit SL3 may be smaller than widths w2 and w3 of the first slit SL1 and/or the second slit SL2 .
  • the third distance D3 from the sixth part P6 of the first slit SL1 to the third slit SL3 is the third part ( It may be smaller than the second distance D2 to P3).
  • the display device includes: a display panel 110; And, it includes a composite material plate 130 positioned at the rear of the display panel 110, and the composite material plate 130 includes: a front skin 132 forming a front surface; a rear skin 133 forming a rear surface and facing the front skin 132; a core 131 positioned between the front skin 132 and the rear skin 133 and including fibers; a fastening groove (H) formed by compressing the front skin 132 and the core 131;
  • a barrier B located adjacent to the fastening groove H and formed by recessing or cutting the front skin 132 may be included.
  • the fastening groove H may be formed by compressing the core 131 and recessing the front skin 132 toward the rear skin 133 .
  • the fastening groove (H) is formed by recessing the front skin 132 in a circular shape, and is formed at the center through the front skin 132, the core 131, and the rear skin 133.
  • Fastener (h) ), and the barrier (B) is formed by recessing the front skin 132 in a semicircular shape, and may be positioned spaced apart from the fastening groove (H).
  • the fastening groove (H) is formed by being depressed and includes a fastener (h) formed through the front skin 132, the core 131 and the rear skin 133, and the barrier (B) , In contact with the fastening groove (H), the front skin 132 may be formed by cutting.
  • the barrier B may extend in a tangential direction of the fastening groove H, and may be formed by penetrating the front skin 132 , the core 131 , and the rear skin 133 .
  • the first distance D1 from the barrier B to the fastener h may be greater than the second distance D2 from the fastener h to the inner wall of the coupling groove H. there is.
  • a third distance D3 from one end of the barrier B to the coupling groove H may be different from a fourth distance D4 from the other end of the barrier B to the coupling groove H.
  • the display panel 110 and the composite material plate 130 include: a flat plate part 130P having a shape corresponding to the display panel 110; And, it includes an outer part 135 forming a circumference of the flat plate part 130P, the defect groove H is formed in the flat plate part 130P, and the barrier B is the outer part ( 135) and the coupling groove (H).
  • the core 131 is compressed and the front surface of the front skin 132 is formed by being depressed, and the side frame 140 is: between the display panel 110 and the front skin 132, the outer part 135 ) a horizontal portion located at; And, it may include a vertical portion that extends while intersecting the horizontal portion and covers the side surface of the display panel 110 or the side surface of the composite material plate 130 .
  • the side frame 140 includes: a first part 141 elongated along the upper side of the composite material plate 130; a second part 142 bent from the first part 141 and elongated along the right side of the composite material plate 130; a third part 143 bent from the second part 142 and elongated along the lower side of the composite material plate 130; a fourth part 145 bent from the first part 141 and extended along the left side of the composite material plate 130; And, a fifth part 144 bent from the fourth part 145 and extending along the lower side of the composite material plate 130 is included, and the end of the third part 143 is the fifth part 143. It may be coupled with the end of part 144.
  • the fastening member (S) includes: a shaft (SA) positioned in the fastener (h); And, it includes a head (SH) connected to the shaft (SA) and positioned on the front skin 132 of the fastening groove (H), the thickness of the head (SH) is the depth of the fastening groove (H) may be smaller than
  • a PCB plate 150 positioned opposite the display panel 110 with respect to the composite material plate 130 and coupled to a rear side of the composite material plate 130 is further included, and the PCB plate 150 is It may be fixed to the composite material plate 130 by the fastening member (S).
  • the display device includes: a display panel 110; And, it includes a composite material plate 130 positioned at the rear of the display panel 110, and the composite material plate 130 includes: a front skin 132 forming a front surface; a rear skin 133 forming a rear surface and facing the front skin 132; a core 131 positioned between the front skin 132 and the rear skin 133 and including fibers; receiving portions 137a and 137b formed by compressing the front skin 132 and the core 131; In addition, barriers SL1 , SL2 , and SL3 positioned adjacent to the accommodating portions 137a and 137b and formed by cutting the front skin 132 may be included.
  • the accommodating portions 137a and 137b are formed when the core 131 is compressed and the front skin 132 is depressed in the direction of the rear skin 133 so that the accommodating portions 137a and 137b are removed from the front skin 132. ) can form a step that is lowered by.
  • the composite material plate 130 includes: a flat plate part 130P; And, it includes accommodating parts 137a and 137b formed on a part of the flat plate part 130P, and the front skins 132 of the accommodating parts 137a and 137b are the front skins 132 of the flat plate part 130P. ), and the barriers SL1 and SL2 may be formed at steps between the flat plate part 130P and the accommodating parts 137a and 137b.
  • the barriers SL1 and SL2 include a plurality of barriers SL1 and SL2, and the plurality of barriers SL1 and SL2 are: along the boundary between the flat plate part 130P and the accommodating parts 137a and 137b. a first slit SL1 formed; Further, a second slit SL2 formed along the boundary between the flat plate part 130P and the accommodating parts 137a and 137b and spaced apart from the first slit SL1 may be included.
  • a first distance D1 from the distal edge of the accommodating portions 137a and 137b to one end of the first slit SL1 is equal to the distal end of the accommodating portions 137a and 137b. It is smaller than the second distance D2 from the edge to the other end of the first slit SL1, and the second slit SL2 extends from the end edge of the accommodating parts 137a and 137b to the second slit SL2.
  • a third distance D1 to one end of may be smaller than a fourth distance D2 from the distal edge of the accommodating parts 137a and 137b to the other end of the second slit SL2.
  • the first slit SL1 may be symmetrical to the second slit SL2 .
  • the third slit SL3 is long, and the length L1 of the third slit SL3 is equal to the distance L2 between both ends of the first slit SL1 and the second slit SL2. may be smaller than
  • a width W1 of the third slit SL3 may be smaller than a width W2 of the first slit SL1 or a width W3 of the second slit SL2 .
  • a fifth distance D3 between the third slit SL3 and the first slit SL1 or between the third slit SL3 and the second slit SL2 is the second distance D2 or It may be smaller than the fourth distance D2.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Un dispositif d'affichage est divulgué. Le dispositif d'affichage comprend un écran d'affichage et une plaque de matériau composite positionnée à l'arrière de l'écran d'affichage, la plaque de matériau composite pouvant comprendre : une peau avant formant une surface avant ; une peau arrière formant une surface arrière et faisant face à la peau avant ; un noyau, qui est positionné entre la peau avant et la peau arrière et comprend des fibres ; une partie de réception formée par compression de la peau avant et du noyau ; et une barrière positionnée de façon à être adjacente à la partie de réception et formée par découpe de la peau avant.
PCT/KR2021/019409 2021-12-20 2021-12-20 Dispositif d'affichage Ceased WO2023120748A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020237037569A KR102856637B1 (ko) 2021-12-20 2021-12-20 디스플레이 디바이스
US18/290,093 US20240260217A1 (en) 2021-12-20 2021-12-20 Display device
PCT/KR2021/019409 WO2023120748A1 (fr) 2021-12-20 2021-12-20 Dispositif d'affichage
EP21969113.6A EP4456682A4 (fr) 2021-12-20 2021-12-20 Dispositif d'affichage

Applications Claiming Priority (1)

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PCT/KR2021/019409 WO2023120748A1 (fr) 2021-12-20 2021-12-20 Dispositif d'affichage

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WO2023120748A1 true WO2023120748A1 (fr) 2023-06-29

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US (1) US20240260217A1 (fr)
EP (1) EP4456682A4 (fr)
KR (1) KR102856637B1 (fr)
WO (1) WO2023120748A1 (fr)

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KR102861921B1 (ko) * 2023-10-20 2025-09-22 엘지전자 주식회사 디스플레이 디바이스

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Also Published As

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KR102856637B1 (ko) 2025-09-05
US20240260217A1 (en) 2024-08-01
KR20230167066A (ko) 2023-12-07
EP4456682A4 (fr) 2025-10-22
EP4456682A1 (fr) 2024-10-30

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